Determination of endotoxin using fluorescent probe. 1982

K Yoshida, and A Ozawa, and K Saifuku, and T Namihisa, and M Nanbu

Bacterial endotoxin induces gel-formation of amebocyte lysate. This gelation test, the limulus test, was first described by Levin and Bang [1]. The limulus test has been widely used for the detection of endotoxin, not only in fundamental bacteriological research but also in clinical diseases [2]. Although the technique of the limulus test is simple, the endotoxin level can not be determined quantitatively. We developed a method to determine the endotoxin in physiological saline solution and glucose solutions using a fluorescent probe, fluorescamine.

UI MeSH Term Description Entries
D008033 Limulus Test Sensitive method for detection of bacterial endotoxins and endotoxin-like substances that depends on the in vitro gelation of Limulus amebocyte lysate (LAL), prepared from the circulating blood (amebocytes) of the horseshoe crab, by the endotoxin or related compound. Used for detection of endotoxin in body fluids and parenteral pharmaceuticals. Limulus Tests,Test, Limulus,Tests, Limulus
D004731 Endotoxins Toxins closely associated with the living cytoplasm or cell wall of certain microorganisms, which do not readily diffuse into the culture medium, but are released upon lysis of the cells. Endotoxin
D005450 Fluorescamine A nonfluorescent reagent for the detection of primary amines, peptides and proteins. The reaction products are highly fluorescent. Fluram
D013050 Spectrometry, Fluorescence Measurement of the intensity and quality of fluorescence. Fluorescence Spectrophotometry,Fluorescence Spectroscopy,Spectrofluorometry,Fluorescence Spectrometry,Spectrophotometry, Fluorescence,Spectroscopy, Fluorescence
D013141 Spiro Compounds Cyclic compounds that include two rings which share a single atom (usually a carbon). The simplest example of this type of compound is Spiro[2.2]pentane, which looks like a bow tie. Compounds, Spiro

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